Vertical socket strip



FIG. 1 is a perspective view of a vertical socket strip showing my present design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines in the drawings are for the purpose of illustrating portions of the vertical socket strip that form no part of the claimed design. 

CLAIM The ornamental design for a vertical socket strip, as shown and described. 